21. Most importantly, stay ~actually~ warm.
Who cares about looking cute if you’re shivering? Invest in a warm coat that’s cute enough to put on when you need it.
Get this coat (Uniqlo’s warmest ever) for $99.90. Sizes: XS–XXL. Available in five colors. It’s water-resistant and even has an extra removable fleece lining for a boost of warmth.